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Questions  

If masses of blocks A and B are 3 kg and 8 kg respectively, then normal reaction between A and B

a
20 N
b
30 N
c
35 N
d
115 N

detailed solution

Correct option is C

Force given by A on B is5+mAg=5+3×10= 35 NSo normal reaction between A & B is = 35 N.

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